What does a 6.2 litre engine mean? Does more CC necessarily mean more hp or not? What is the meaning of 1.2L, 1.4L, 1.6L, cc, cu, etc. engine capacity in a car?
The normal swallowing process can be divided into the following four phases (1,3): Oral phase In this first phase the mouth is opened and a piece of solid food or liquid is taken in.
The third phase of swallowing begins when food enters the esophagus. The esophagus, which is about nine inches long, is a muscular tube that produces waves of coordinated contractions (peristalsis). As the esophagus contracts, a muscular valve at the end of the esophagus opens and food is propelled into the stomach.